Home / 257,178,047.66-354,863,635.03-151,420,585.18

Finding the Fourth Proportional to 257,178,047.66, 354,863,635.03 and 151,420,585.18

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Solution

The fourth proportional to 257,178,047.66, 354,863,635.03 and 151,420,585.18 is: 208,935,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,178,047.66 : 354,863,635.03 = 151,420,585.18 : x
  2. Step 2: Convert to fraction form
    257,178,047.66/354,863,635.03 = 151,420,585.18/x
  3. Step 3: Cross multiply
    257,178,047.66x = 354,863,635.03 × 151,420,585.18
  4. Step 4: Simplify right side
    257,178,047.66x = 53,733,659,275,344,544
  5. Step 5: Solve for x
    x = 53,733,659,275,344,544/257,178,047.66
  6. Step 6: Final answer
    x = 208,935,637.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.